Josef “Jeff” Sipek

Prague & IETF

This post is part of a series named “Europe 2017” where I share photos from my adventures in Europe during the summer 2017.

In mid-July 2017, I got to travel to Prague to participate in IETF’s 99th meeting.

The IETF meeting itself was great—lots of useful discussion about the next-generation email accessing protocol (called JMAP).

I stayed a couple of days extra to enjoy Prague, and Holly flew out from Helsinki to revisit Prague where she’s been once before—for our honeymoon.

I dragged my D750 and the two lenses with me and made to sure to take photos (almost) all the time. The gallery contains only a handful of the approximately 1100 raw files. Of those, I selected 11 for this blahg post.

Wikipedia article: Malá Strana Bridge Tower:

Wikipedia article: St. Nicholas Church with the Wikipedia article: Žižkov Television Tower in the background:

Wikipedia article: Matthias Gate with Wikipedia article: St. Vitus Cathedral peeking in the background:

The Wikipedia article: National Theatre:

Wikipedia article: Charles Bridge and a view of Wikipedia article: Old Town:

Wikipedia article: St. Vitus Cathedral from Wikipedia article: Petřín near sunset:

St. Nicholas Church again during sunset (and without the ugly Žižkov TV tower):

A gargoyle keeping the St. Nicholas Church’s masonry safe:

A view from the top of Wikipedia article: Old Town Bridge Tower with roofs and towers of (left to right):

Church of Saint Wikipedia article: Francis of Assisi, the left tower of Wikipedia article: Church of Our Lady before Týn, the clock tower and the Astronomical tower of Wikipedia article: Clementinum:

St. Nicholas Church yet again, this time from the Malá Strana Bridge Tower:

Wikipedia article: Charles Bridge, Wikipedia article: Old Town Bridge Tower, Church of Saint Wikipedia article: Francis of Assisi, and Wikipedia article: Žižkov Television Tower (from the Malá Strana Bridge Tower):

Prague offers a lot to see. The few photos I selected for this blahg post don’t show anywhere near enough of it. There are more photos in the gallery, but even those are merely highlights of what one can see in Prague. If you haven’t been to Prague yet, I highly recommend a trip.


This post is part of a series named “Europe 2017” where I share photos from my adventures in Europe during the summer 2017.

In late June 2017, Holly and I did a day trip to Wikipedia article: Tallinn. This wasn’t the first time I was in Tallinn, so I knew what the interesting parts of the old town were. As always, there is a gallery with more photos.

Tallinn’s old town is a medieval pocket in a otherwise modern city. In some of the photos you can see the modern civilization right behind a medieval tower.

A view of the Wikipedia article: Alexander Nevsky Cathedral from the tower of Wikipedia article: St. Mary’s Cathedral:

The tower of St. Mary’s Cathedral:

A section of the fortification wall that remains:

I’ve been to Tallinn twice and all my time there was spent in the old town. This makes me far from an expert about what there is to do. With that said, I enjoyed my time there and I recommend a day trip to anyone visiting nearby.


This post is part of a series named “Europe 2017” where I share photos from my adventures in Europe during the summer 2017.

When I attended the Kaivopuisto Air Show in early June last year, I learned about the existence of the Finnish Aviation Museum. It took me a month and a half, but eventually I found a free day to go check it out.

The museum itself is packed with all sorts of aircraft on static display. While they were interesting (and I certainly took plenty of photos of them), they aren’t what this post is about. This post is about Lokki—a retired Wikipedia article: DC-3 (registration OH-LCD) on display outside of the museum.

As luck would have it, the folks from the DC Association were there that day trying to see if they could start up Lokki’s engines—after 12 years of inactivity. After a lot of preparation, they managed to start them!

Without further ado, here are a few photos of Lokki (more photos can be found in the gallery).

Wikipedia article: Aero OY was the original name of Finnair:

One of the mechanics working on the left engine:

One of the people from the DC Association, seeing that I was obviously excited about the plane, asked me if I’d like to climb inside. I said yes, of course.

The inside was pretty bare-bones (which is to be expected of a static display that’s normally closed to public). I took a couple of photos inside, but most weren’t that interesting.

Throttle quadrant (note: most of the instrument panel was removed long ago):

It runs!

The livery is pretty simple—polished aluminum with dark blue lettering and a stripe:

I’m not really sure why they wanted to see if they could start the engines, but I’m happy that it worked out. Radial engines just have a unique roar to them.

Anyway, that’s it about Lokki. Hopefully I’ll get around to post processing the photos from the museum itself soon.

Kaivopuisto Air Show 2017

This post is part of a series named “Europe 2017” where I share photos from my adventures in Europe during the summer 2017.

In early June 2017, we attended an air show in Wikipedia article: Kaivopuisto. Unfortunately, we found out about it last minute, and so we missed the beginning which included a Finnair Airbus A350 flyby. Pity.

The show included a number of trainers and combat aircraft performing various maneuvers. Here are the highlights (for more photos visit the gallery).

Wikipedia article: Red Arrows:

A seagull joining in:

Wikipedia article: Finnish Coast Guard’s Wikipedia article: Turva nearby with Wikipedia article: Suomenlinna visible behind it:

Wikipedia article: Eurofighter Typhoon:

Wikipedia article: Saab 35 Draken:

Wikipedia article: Saab Gripen:

During one of the passes, I took a burst of images and then assembled them into a Southwest 737 “Airportrait”-style image.

Finnish Air Force Wikipedia article: F-18 Hornet:

A Finnish aerobatics team Wikipedia article: Midnight Hawks flying Wikipedia article: BAE Systems Hawk:

Even though this post has more photos than I typically share, there are many more in the gallery. So, if you are into airplanes, I suggest you peruse it.

Juhannus 2017

This post is part of a series named “Europe 2017” where I share photos from my adventures in Europe during the summer 2017.

You may have noticed that I was a bit quiet during the last summer. I have a really good reason for it: I spent five months in Helsinki for work. On weekends, Holly and I got to explore, which led me to accumulate approximately 12000 photos. Sadly, I am quite behind on post processing them all, but I will get through them eventually.

This post is about how I spent Wikipedia article: Juhannus last year.

Juhannus is the name of the Finnish summer solstice holiday. It is a time to relax, spend time with friends and family, and enjoy oneself. Every year, a nearby island, Wikipedia article: Seurasaari, has an afternoon and evening with an assortment of traditional events and bonfires.

There is of course a gallery of my photos.

Every year, one couple is selected to have their wedding on Seurasaari during Juhannus. Here is 2017’s lucky couple:

Before about half a dozen bonfires are set ablaze, a number of “can fires” is lit:

The largest bonfire gets lit by the newlyweds—from a boat:

I’m not sure how exactly the big bonfire pile was constructed, but it didn’t take long for it to grow:

So, that was Juhannus on Seurasaari in 2017. It was a nice and relaxing afternoon and evening, and if I happen to be in Helsinki around Juhannus in the future, I’ll likely spend the day on Seurasaari.

I’m going to end this post with a bit of Finnish (from because languages can be fun:

– Kokoo koko kokko kokoon!
– Koko kokkoko?
– Koko kokko.


– Assemble the Midsummer bonfire!
– The whole Midsummer bonfire?
– Yes, the whole Midsummer bonfire.

(I’m told that kokoo is a dialect form of kokoa.)

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